these 4 derivations will be built:
  /nix/store/inbsqa2qznig0byp877maszjdp5z29r9-test-script.drv
  /nix/store/9pwshymnmqqvg1c339f2pabpfqflvml0-driverConfiguration.json.drv
  /nix/store/z4v4nyy4ggl3v4yy5llwp2p8iv3snbiq-nixos-test-driver-iets-cachetest.drv
  /nix/store/yrxzjj880wm3vh8cvy2g19i8kphmsyfv-container-test-run-iets-cachetest.drv
building '/nix/store/inbsqa2qznig0byp877maszjdp5z29r9-test-script.drv'
test-script> structuredAttrs is enabled
building '/nix/store/9pwshymnmqqvg1c339f2pabpfqflvml0-driverConfiguration.json.drv'
driverConfiguration.json> structuredAttrs is enabled
building '/nix/store/z4v4nyy4ggl3v4yy5llwp2p8iv3snbiq-nixos-test-driver-iets-cachetest.drv'
nixos-test-driver-iets-cachetest> Running type check (enable/disable: config.skipTypeCheck)
nixos-test-driver-iets-cachetest> See https://nixos.org/manual/nixos/stable/#test-opt-skipTypeCheck
nixos-test-driver-iets-cachetest> All checks passed!
nixos-test-driver-iets-cachetest> Linting test script (enable/disable: config.skipLint)
nixos-test-driver-iets-cachetest> See https://nixos.org/manual/nixos/stable/#test-opt-skipLint
nixos-test-driver-iets-cachetest> All checks passed!
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
building '/nix/store/yrxzjj880wm3vh8cvy2g19i8kphmsyfv-container-test-run-iets-cachetest.drv'
container-test-run-iets-cachetest> Machine state will be reset. To keep it, pass --keep-machine-state
container-test-run-iets-cachetest> start all VLans
container-test-run-iets-cachetest> (finished: start all VLans, in 0.00 seconds)
container-test-run-iets-cachetest> 
container-test-run-iets-cachetest> Test will time out and terminate in 3600.0 seconds
container-test-run-iets-cachetest> run the VM test script
container-test-run-iets-cachetest> additionally exposed symbols:
container-test-run-iets-cachetest>     machine,
container-test-run-iets-cachetest>     vlan1,
container-test-run-iets-cachetest>     start_all, test_script, machines, machines_qemu, machines_nspawn, vlans, driver, log, os, create_machine, subtest, run_tests, join_all, retry, serial_stdout_off, serial_stdout_on, polling_condition, BaseMachine, QemuMachine, NspawnMachine, t, debug, dump_machine_ssh
container-test-run-iets-cachetest> machine: waiting for unit multi-user.target
container-test-run-iets-cachetest> machine: systemd-nspawn running (pid 50)
container-test-run-iets-cachetest> machine: Waiting for journal at /build/vm-state-machine/var/log/journal...
container-test-run-iets-cachetest> nixos-nspawn(machine): TAP vde-tap1 not found; container will be isolated from VDE
container-test-run-iets-cachetest> nixos-nspawn(machine): A common reason for this is that /dev/net is not available in the Nix sandbox. Try adding /dev/net to extra-sandbox-paths.
container-test-run-iets-cachetest> Note: in a future version of systemd-nspawn the default set of permitted socket address families will be restricted to AF_INET, AF_INET6 and AF_UNIX. Use --restrict-address-families= to configure the set of permitted socket address families, or set RestrictAddressFamilies= in a .nspawn file.
container-test-run-iets-cachetest> ░ Spawning container machine on /build/vm-state-machine.
container-test-run-iets-cachetest> machine # No journal files were found.
container-test-run-iets-cachetest> machine # No journal boot entry found for the specified boot (+0).
container-test-run-iets-cachetest> machine # [1759363.995273] machine systemd-journald[57]: Journal started
container-test-run-iets-cachetest> machine # [1759363.995341] machine systemd-journald[57]: Runtime Journal (/run/log/journal/b061621c85cf4c8fbb3050530b5c1576) is 8M, max 2.5G, 2.5G free.
container-test-run-iets-cachetest> machine # [1759364.013286] machine systemd[1]: Finished Apply Kernel Variables.
container-test-run-iets-cachetest> machine # [1759364.027328] machine systemd[1]: Finished Create Static Device Nodes in /dev gracefully.
container-test-run-iets-cachetest> machine # [1759364.044445] machine systemd[1]: Starting Flush Journal to Persistent Storage...
container-test-run-iets-cachetest> machine # [1759364.045643] machine systemd[1]: Starting Create Static Device Nodes in /dev...
container-test-run-iets-cachetest> machine # [1759364.077843] machine systemd-journald[57]: Time spent on flushing to /var/log/journal/b061621c85cf4c8fbb3050530b5c1576 is 813us for 6 entries.
container-test-run-iets-cachetest> machine # [1759364.077843] machine systemd-journald[57]: System Journal (/var/log/journal/b061621c85cf4c8fbb3050530b5c1576) is 512B, max 4G, 3.9G free.
container-test-run-iets-cachetest> machine # [1759364.100023] machine systemd[1]: Finished Flush Journal to Persistent Storage.
container-test-run-iets-cachetest> machine # [1759364.101592] machine systemd[1]: Finished Create Static Device Nodes in /dev.
container-test-run-iets-cachetest> machine # [1759364.102853] machine systemd[1]: Reached target Preparation for Local File Systems.
container-test-run-iets-cachetest> machine # [1759364.103171] machine systemd[1]: Rule-based Manager for Device Events and Files skipped, unmet condition check ConditionPathIsReadWrite=/sys
container-test-run-iets-cachetest> machine # [1759364.134668] machine systemd[1]: Finished Firewall.
container-test-run-iets-cachetest> machine # [1759365.001437] machine systemd[1]: Mounting /run/wrappers...
container-test-run-iets-cachetest> machine # [1759365.028802] machine systemd[1]: Mounted /run/wrappers.
container-test-run-iets-cachetest> machine # [1759365.030135] machine systemd[1]: Reached target Local File Systems.
container-test-run-iets-cachetest> machine # [1759365.030876] machine systemd[1]: Listening on Boot Loader Control Service Socket.
container-test-run-iets-cachetest> machine # [1759365.031591] machine systemd[1]: Starting Create SUID/SGID Wrappers...
container-test-run-iets-cachetest> machine # [1759365.031618] machine systemd[1]: Update Boot Loader Random Seed skipped, unmet condition check ConditionVirtualization=!container
container-test-run-iets-cachetest> machine # [1759365.032742] machine systemd[1]: Starting Save Transient machine-id to Disk...
container-test-run-iets-cachetest> machine # [1759365.033359] machine systemd[1]: Starting Create System Files and Directories...
container-test-run-iets-cachetest> machine # [1759365.051567] machine systemd-tmpfiles[161]: Cannot set file attributes for '/var/empty', value=0x00000010, mask=0x00000010, ignoring: Operation not permitted
container-test-run-iets-cachetest> machine # [1759365.051752] machine systemd-tmpfiles[161]: fchmod() of /var/log/journal failed: Operation not permitted
container-test-run-iets-cachetest> machine # [1759365.051865] machine systemd-tmpfiles[161]: fchmod() of /var/log/journal/b061621c85cf4c8fbb3050530b5c1576 failed: Operation not permitted
container-test-run-iets-cachetest> machine # [1759365.052026] machine systemd-tmpfiles[161]: fchmod() of /run/log/journal failed: Operation not permitted
container-test-run-iets-cachetest> machine # [1759365.053932] machine suid-sgid-wrappers-start[168]: chmod: changing permissions of '/run/wrappers/wrappers.7OiHLNKbOA/chsh': Operation not permitted
container-test-run-iets-cachetest> machine # [1759365.065420] machine systemd[1]: suid-sgid-wrappers.service: Main process exited, code=exited, status=1/FAILURE
container-test-run-iets-cachetest> machine # [1759365.065499] machine systemd[1]: suid-sgid-wrappers.service: Failed with result 'exit-code'.
container-test-run-iets-cachetest> machine # [1759365.065620] machine systemd[1]: Failed to start Create SUID/SGID Wrappers.
container-test-run-iets-cachetest> machine # [1759365.066255] machine systemd[1]: Finished Create System Files and Directories.
container-test-run-iets-cachetest> machine # [1759365.107810] machine systemd[1]: Starting Rebuild Journal Catalog...
container-test-run-iets-cachetest> machine # [1759365.108569] machine systemd[1]: Starting Record System Boot/Shutdown in UTMP...
container-test-run-iets-cachetest> machine # [1759365.119056] machine systemd[1]: Finished Record System Boot/Shutdown in UTMP.
container-test-run-iets-cachetest> machine # [1759365.129339] machine systemd[1]: Finished Rebuild Journal Catalog.
container-test-run-iets-cachetest> machine # [1759365.130027] machine systemd[1]: Starting Update is Completed...
container-test-run-iets-cachetest> machine # [1759365.138665] machine systemd[1]: Finished Update is Completed.
container-test-run-iets-cachetest> machine # [1759365.138808] machine systemd[1]: Reached target System Initialization.
container-test-run-iets-cachetest> machine # [1759365.138866] machine systemd[1]: Discard unused filesystem blocks once a week skipped, unmet condition check ConditionVirtualization=!container
container-test-run-iets-cachetest> machine # [1759365.138896] machine systemd[1]: Started Daily Cleanup of Temporary Directories.
container-test-run-iets-cachetest> machine # [1759365.138911] machine systemd[1]: Reached target Timer Units.
container-test-run-iets-cachetest> machine # [1759365.138984] machine systemd[1]: Listening on D-Bus System Message Bus Socket.
container-test-run-iets-cachetest> machine # [1759365.139048] machine systemd[1]: Listening on Virtual Machine and Container Registration Service Socket.
container-test-run-iets-cachetest> machine # [1759365.139060] machine systemd[1]: Reached target Socket Units.
container-test-run-iets-cachetest> machine # [1759365.139079] machine systemd[1]: Reached target Basic System.
container-test-run-iets-cachetest> machine # [1759365.139758] machine systemd[1]: Starting Import lastlog data into lastlog2 database...
container-test-run-iets-cachetest> machine # [1759365.141544] machine systemd[1]: Starting Name Service Cache Daemon (nsncd)...
container-test-run-iets-cachetest> machine # [1759365.142221] machine systemd[1]: Starting resolvconf update...
container-test-run-iets-cachetest> machine # [1759365.157556] machine systemd[1]: Finished Import lastlog data into lastlog2 database.
container-test-run-iets-cachetest> machine # [1759365.199580] machine systemd[1]: nscd.service: Deactivated successfully.
container-test-run-iets-cachetest> machine # [1759365.199739] machine systemd[1]: Stopped Name Service Cache Daemon (nsncd).
container-test-run-iets-cachetest> machine # [1759365.202872] machine systemd[1]: Starting Name Service Cache Daemon (nsncd)...
container-test-run-iets-cachetest> machine # [1759365.209268] machine resolvconf-start[234]: setfacl: /run/resolvconf: Operation not supported
container-test-run-iets-cachetest> machine # [1759365.210253] machine systemd[1]: resolvconf.service: Main process exited, code=exited, status=1/FAILURE
container-test-run-iets-cachetest> machine # [1759365.210328] machine systemd[1]: resolvconf.service: Failed with result 'exit-code'.
container-test-run-iets-cachetest> machine # [1759365.223918] machine systemd[1]: Failed to start resolvconf update.
container-test-run-iets-cachetest> machine # [1759365.224188] machine systemd[1]: Reached target Preparation for Network.
container-test-run-iets-cachetest> machine # [1759365.224994] machine systemd[1]: Starting Address configuration of eth1...
container-test-run-iets-cachetest> machine # [1759365.225793] machine systemd[1]: Starting Extra networking commands....
container-test-run-iets-cachetest> machine # [1759365.256205] machine network-addresses-eth1-start[237]: adding address 192.168.1.1/24... done
container-test-run-iets-cachetest> machine # [1759365.258334] machine network-addresses-eth1-start[237]: adding address 2001:db8:1::1/64... done
container-test-run-iets-cachetest> machine # [1759365.264034] machine systemd[1]: Finished Address configuration of eth1.
container-test-run-iets-cachetest> machine # [1759365.325227] machine systemd[1]: Finished Extra networking commands..
container-test-run-iets-cachetest> machine # [1759365.325415] machine systemd[1]: Reached target Network.
container-test-run-iets-cachetest> machine # [1759365.468244] machine nsncd[231]: Oct 15 07:42:16.198 INFO started, config: Config { ignored_request_types: {}, worker_count: 8, handoff_timeout: 10s }, path: "/var/run/nscd/socket"
container-test-run-iets-cachetest> machine # [1759365.468325] machine systemd[1]: Started Name Service Cache Daemon (nsncd).
container-test-run-iets-cachetest> machine # [1759365.468378] machine systemd[1]: Reached target Host and Network Name Lookups.
container-test-run-iets-cachetest> machine # [1759365.468418] machine systemd[1]: Reached target User and Group Name Lookups.
container-test-run-iets-cachetest> machine # [1759365.469664] machine systemd[1]: Starting User Login Management...
container-test-run-iets-cachetest> machine # [1759365.470328] machine systemd[1]: Starting Permit User Sessions...
container-test-run-iets-cachetest> machine # [1759365.479631] machine systemd[1]: Finished Permit User Sessions.
container-test-run-iets-cachetest> machine # [1759365.480328] machine systemd[1]: Started Console Getty.
container-test-run-iets-cachetest> machine # [1759365.480350] machine systemd[1]: Getty on tty1 skipped, unmet condition check ConditionPathExists=/dev/tty0
container-test-run-iets-cachetest> machine # [1759365.480364] machine systemd[1]: Reached target Login Prompts.
container-test-run-iets-cachetest> machine # [1759365.762495] machine systemd[1]: etc-machine\x2did.mount: Deactivated successfully.
container-test-run-iets-cachetest> machine # [1759365.763514] machine systemd[1]: Finished Save Transient machine-id to Disk.
container-test-run-iets-cachetest> machine # [1759367.179222] machine systemd-logind[305]: New seat seat0.
container-test-run-iets-cachetest> machine # [1759367.180299] machine systemd[1]: Starting D-Bus System Message Bus...
container-test-run-iets-cachetest> machine # [1759367.180400] machine systemd[1]: Started User Login Management.
container-test-run-iets-cachetest> machine # [1759367.182101] machine systemd[1]: Starting linger-users.service...
container-test-run-iets-cachetest> machine # [1759367.229612] machine systemd[1]: linger-users.service: Deactivated successfully.
container-test-run-iets-cachetest> machine # [1759367.229756] machine systemd[1]: Finished linger-users.service.
container-test-run-iets-cachetest> machine # [1759367.229874] machine systemd[1]: Reached target Multi-User System.
container-test-run-iets-cachetest> machine: (finished: waiting for unit multi-user.target, in 5.15 seconds)
container-test-run-iets-cachetest> machine: must succeed: /nix/store/phhjngxgfhr1lrzk0w7ms3775mh0pxd5-writable-store /nix/store/03sphimdlkzzd2hpxyjlhn5gdwcymnfz-closure-info
container-test-run-iets-cachetest> machine # [1759367.906702] machine dbus-broker-launch[316]: Looking up NSS user entry for 'systemd-timesync'...
container-test-run-iets-cachetest> machine # [1759367.907525] machine dbus-broker-launch[316]: NSS returned no entry for 'systemd-timesync'
container-test-run-iets-cachetest> machine # [1759367.907525] machine dbus-broker-launch[316]: Invalid user-name in /nix/store/jlg1ir1z4dfm81ya2kccdm1fv06giam6-system-path/share/dbus-1/system.d/org.freedesktop.timesync1.conf +16: user="systemd-timesync"
container-test-run-iets-cachetest> machine # [1759367.907919] machine systemd[1]: Started D-Bus System Message Bus.
container-test-run-iets-cachetest> machine # [1759367.908452] machine systemd[1]: Startup finished in 4.342s.
container-test-run-iets-cachetest> machine # [1759367.916507] machine dbus-broker-launch[316]: Ready